Silva Center for Phycological Documentation: Index Nominum Algarum

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Indexes (very large files) to all taxa:

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Asterionella ralfsii W. Smith
Syn. Brit. Diat. II: 81. 1856. (E)
Type: Herb. Jenn. (Diatoma stellare Ralfs mss.)
Type locality:

See Asterionella formosa var. ralfsii (W. Smith) Wolle 1856
See Asterionella gracillima var. ralfsii (W. Smith) Cleve-Euler 1953

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